Hi, thank you for your question. Headaches are a common problem among our population. Your headaches that causes almost blacked out can be a terrifying experience for you. Furthermore, the multiple episodes of vomiting and nausea bring a lot of discomfort.

There are 2 main types of headaches which are primary headache and secondary headache. Primary headache is only due to the headache itself without other causes. Examples are tension headache, cluster headache and migraine. Secondary headache is due to underlying health conditions, such as sinusitis, meningitis, trauma, tumour, bleeding and medications. Some of these conditions are life-threatening and needed to be treated seriously.

It is helpful for your to keep a headache diary which keep tracks on the onset, duration, timing and progression of the headache. This helps the doctor greatly to establish a diagnosis. Doctor may also need to know any associated symptoms such as fever, weight loss or history of cancer. This is important to rule out the secondary headaches. For a primary headache, the headache is normally predictable tiggers, stable pattern and individual is feeling fine in between headaches.

These multiple vomiting, nausea and headache is quite classical presentation of migraine if there is no underlying health conditions. No fever may suggests meningitis unlikely in your case. Migraine is more common among females and can be associated with menstrual period. The headache is commonly described as throbbing, on one side of the head, becomes extremely sensitive to light and sound. If the conditions still persist without any improvement, please seek your healthcare providers to get appropriate treatment.